title: Control group bias: a potential cause of over-estimating the benefit of videolaryngoscopy on laryngeal view.
authors.forename: D
authors.initials: D
authors.lastname: Hurford
authors.forename: T
authors.initials: T
authors.lastname: Cook
authors.forename: J
authors.initials: J
authors.lastname: Nolan
authors.forename: R
authors.initials: R
authors.lastname: Mihai
mesh_terms: D000402:Airway Obstruction / Q000175:diagnosis*; D015982:Bias; D035061:Control Groups; D006801:Humans; D007442:Intubation, Intratracheal / Q000379:methods*; D007828:Laryngoscopy / Q000379:methods*; D014743:Videotape Recording / Q000379:methods